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Finding the Fourth Proportional to 75,089, 103,622.82 and 41,557.16

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Solution

The fourth proportional to 75,089, 103,622.82 and 41,557.16 is: 57,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089 : 103,622.82 = 41,557.16 : x
  2. Step 2: Convert to fraction form
    75,089/103,622.82 = 41,557.16/x
  3. Step 3: Cross multiply
    75,089x = 103,622.82 × 41,557.16
  4. Step 4: Simplify right side
    75,089x = 4,306,270,110.39
  5. Step 5: Solve for x
    x = 4,306,270,110.39/75,089
  6. Step 6: Final answer
    x = 57,348.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.